Παραπομπή APA

Heller, F. A. (1971). Managerial decision making. Tavistock.

Παραπομπή Chicago Style

Heller, Frank A. Managerial Decision Making. London: Tavistock, 1971.

Παραπομπή MLA

Heller, Frank A. Managerial Decision Making. Tavistock, 1971.